X-Frame GM B-Body Transmission Parts

How to plan and execute a LS swap into any 1973-1987 Chevy/GMC K10 pickup truck.

This resource contains a transmission pan shape ID chart and other tips to help with identifying GM transmissions.

Need a little help Identifying GM Body Styles 1964-1972? Click Here!

If you're ready to swap an LS engine into you '73-'87 Squarebody Chevy or GMC truck, here's a guide to get you started and a parts list to help you get everything you need for your swap.

Check out these tips on T-5 transmissions!

Exlpoded View of the Bert 1300 Late Model Racing Transmission

Learn about the power behind the G-body platform and the steps to upgrade a 7.5" bolt rear end to a 8.5" to withstand high horsepower. See how to change the differential fluid and install new gaskets.

Speedway product guru Jeff K. wants to introduce you to another of his projects, "Elmer". There's a long history with Jeff and this vehicle, best told by Jeff himself.